205043132553 has 16 divisors (see below), whose sum is σ = 312786693120. Its totient is φ = 117039998736.

The previous prime is 205043132551. The next prime is 205043132573. The reversal of 205043132553 is 355231340502.

It is not a de Polignac number, because 205043132553 - 2¹ = 205043132551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205043132551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5292975 + ... + 5331572.

It is an arithmetic number, because the mean of its divisors is an integer number (19549168320).

Almost surely, 2^205043132553 is an apocalyptic number.

It is an amenable number.

205043132553 is a deficient number, since it is larger than the sum of its proper divisors (107743560567).

205043132553 is a wasteful number, since it uses less digits than its factorization.

205043132553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10625476.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 205043132553 in words is "two hundred five billion, forty-three million, one hundred thirty-two thousand, five hundred fifty-three".